this derivation will be built:
  /nix/store/w93al7wfd7vsy5yj3ibyp49ncfzbsky5-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/w93al7wfd7vsy5yj3ibyp49ncfzbsky5-bcachefs-module-7.0.0-39-generic.drv'...